Unescapes id.

<div class="definition">
    unescapeId(id)
</div>

<div class="arguments">
    <table>
    <tr>
        <td>id</td>
        <td><b>string</b>, id to escape</td>
    </tr>
    </table>
</div>

Use this function to undo result of <a href="w2utils.escapeId">w2utils.escapeId</a>.

<textarea class="javascript">
var a = w2utils.unescapeId('id\\.with\\.levels\\ and\\ spaces');
console.log(a);
</textarea>